Jan 5, 2016
A powerful winter storm brought heavy rain and snow, flash flooding and gusty winds to the area. Rainfall totals from this storm generally ranged between 2 and 6 inches with locally higher amounts in some foothill areas. With such rainfall amounts, there was significant snowfall totals in the local mountains with up to 28 inches of snow reported at the resort level. Additionally, the heavy rain did generate several flash flooding events including several mud and debris flows.
Source: NOAA National Weather Service Storm Events Database (event 615556). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Los Angeles County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.